Tibialis posterior tendon entrapment within posterior malleolar fracture fragment

Category: Ankle Introduction/Purpose: The treatment of posterior malleolar fractures is developing. Our previous study on the anatomy of the posterior malleolar fracture identified only 49% of rotational push off fractures of the posterior malleolus had syndesmotic instabilities. This was against general thinking that fixation of such a fragment would stabilize the syndesmosis. Our aim in this study was to identify the extent of the posterior inferior tibiofibular ligament insertion on the posterior tibia and its relation to push off fractures. Methods: We examined 10 cadaveric lower limbs that had been preserved for dissection at the Human Anatomy and Resource Centre at Liverpool University in a solution of formaldehyde. The lower limbs were carefully dissected to identify the ligamentous structures on the posterior aspect of the ankle. Results: In all specimens, the tibial insertion of the PITFL encompassed 1/3 of the distal posterior tibia. In addition, the posterior intermalleolar ligament inserted onto the posterior tibia just medial to the tibialis posterior groove. Thus a rotational push off fracture would only cause syndesmotic injury if greater than a 3 rd of the posterior tibia was injured or occurred in combination with a ligamentous injury. This is in keeping with the clinical findings of only 49% syndesmotic instabilities with Haraguchi type 1 posterior malleolar fractures. Conclusion: Haraguchi type 1 posterior malleolar fractures (less than a 3 rd of the width of the posterior tibia) are unlikely to cause syndesmotic instabilities without the addition of a ligamentous injury.

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RUPTURED TIBIALIS POSTERIOR TENDON ASSOCIATED WITH A CLOSED MEDIAL MALLEOLAR FRACTURE

ANZ Journal of Surgery ◽

10.1111/j.1445-2197.1980.tb04494.x ◽

1980 ◽

Vol 50 (1) ◽

pp. 59-60 ◽

Cited By ~ 31

Author(s):

Matthew M. Giblin

Keyword(s):

Tibialis Posterior ◽

Malleolar Fracture ◽

Tibialis Posterior Tendon

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Partial Rupture of the Tibialis Posterior Tendon Associated with a Closed Medial Malleolar Fracture

Journal of the American Podiatric Medical Association ◽

10.7547/15-078 ◽

2016 ◽

Vol 106 (6) ◽

pp. 449-452 ◽

Cited By ~ 1

Author(s):

Jin Park

Keyword(s):

Acute Pain ◽

Fracture Fixation ◽

Ankle Fracture ◽

English Literature ◽

Tibialis Posterior ◽

Partial Rupture ◽

Malleolar Fracture ◽

Tibialis Posterior Tendon ◽

Complete Rupture

Rupture of the tibialis posterior tendon associated with ankle fracture is rare and difficult to diagnose. This rupture can be easily overlooked because the clinical examination is limited owing to acute pain related to a closed ankle fracture. Complete rupture of the tibialis posterior tendon can be identified by a loss of tension during ankle fracture fixation, but partial rupture is more difficult to detect because the tibialis posterior tendon can maintain its tension. A few cases of complete rupture of the tibialis posterior tendon combined with ankle fracture have been reported. It is well-known that failure to diagnose a rupture of the tibialis posterior tendon can lead to long-term disability and a planovalgus foot. However, to our knowledge, this is the first report of partial rupture of the tibialis posterior tendon in the English literature. Herein, we describe a patient with a neglected partial rupture of the tibialis posterior tendon combined with a medial malleolar fracture.

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Percutaneous posteroanterior screw fixation for Haraguchi type 1 posterior malleolar fracture in tri-malleolar fracture: Operative technique and randomized clinical results

Journal of Orthopaedic Surgery ◽

10.1177/2309499021997996 ◽

2021 ◽

Vol 29 (1) ◽

pp. 230949902199799

Author(s):

Tianming Yu ◽

Jichong Ying ◽

Jianlei Liu ◽

Dichao Huang ◽

Hailin Yan ◽

...

Keyword(s):

Screw Fixation ◽

Malleolar Fracture ◽

Malleolar Fractures ◽

Posterior Malleolar Fracture ◽

Post Traumatic ◽

Group 2 ◽

Traumatic Arthritis ◽

Group 1

Purpose: The study described a novel surgical treatment of Haraguchi type 1 posterior malleolar fracture in tri-malleolar fracture and patient outcomes at intermediate period follow-up. Methods: All patients from January 2015 to December 2017 with tri-malleolar fracture of which posterior malleolar fractures were Haraguchi type 1, were surgically treated in this prospective study. Lateral and medial malleolar fractures were managed by open reduction and internal fixation through dual incision approaches. 36 cases of Haraguchi type 1 posterior malleolar fractures were randomly performed by percutaneous posteroanterior screw fixation with the aid of medial exposure (group 1). And 40 cases were performed by percutaneous anteroposterior screw fixation (group 2). Clinical outcomes, radiographic outcomes and patient-reported outcomes were recorded. Results: Seventy-six patients with mean follow-up of 30 months were included. There were no significant differences in the mean operation time (81.0 ± 11.3 vs. 77.2 ± 12.4), ankle function at different periods of follow-up, range of motions and visual analog scale (VAS) at 24 months between the two groups ( p > 0.05). However, the rate of severe post-traumatic arthritis (Grade 2 and 3) and the rate of step-off rather than gap in radiological evaluation were lower in group 1 than that in group 2 ( p < 0.05). Conclusion: Using our surgical technique, more patients had good outcome with a lower rate of severe post-traumatic arthritis, compared with the group of percutaneous anteroposterior screw fixation. Percutaneous posteroanterior screw fixation can be a convenient and reliable alternative in treating Haraguchi type 1 posterior malleolar fracture.

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